Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies (Minimum Lease Payments And Sublease Rentals) (Detail)

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Commitments and Contingencies (Minimum Lease Payments And Sublease Rentals) (Detail) - USD ($)
$ in Thousands
Mar. 28, 2016
Mar. 14, 2018
Dec. 31, 2017
Lease Commitments      
2018     $ 7,632
2019     7,795
2020     8,516
2021     6,808
2022     6,297
Thereafter     36,569
Total     73,617
Sublease Rentals      
2018     40
2019     41
2020     28
2021     0
2022     0
Thereafter     0
Total     109
Net      
2018     7,592
2019     7,754
2020     8,488
2021     6,808
2022     6,297
Thereafter     36,569
Total     73,508
Estimated annual rent expense     36,569
Miami, Florida      
Lease Commitments      
2018     508
2019     493
2020     493
2021     493
2022     493
Total     $ 2,809
Securities America      
Lease Commitments      
Thereafter $ 2,000    
Net      
Estimated annual rent expense $ 2,000    
Lease term 12 years    
Subsequent event | Miami, Florida      
Lease Commitments      
Total   $ 2,727